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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $693,103 | 957,538 | 957,538 |
| 2006 | $708,826 | 983,134 | 983,134 |
| 2007 | $711,393 | 902,342 | 902,342 |
| 2008 | $256,480 | 272,009 | 272,009 |
| 2009 | $414,139 | 355,306 | 355,306 |
| 2010 | $78,855 | 43,530 | 43,530 |
Note: Quantity represents Weight in kilograms
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